java.lang.ExceptionInInitializerError at sun.misc.Unsafe.ensureClassInitialized(Native Method) at sun.reflect.UnsafeFieldAccessorFactory.newFieldAccessor(Unknown Source) at sun.reflect.ReflectionFactory.newFieldAccessor(Unknown Source) at java.lang.reflect.Field.acquireFieldAccessor(Unknown Source) at java.lang.reflect.Field.getFieldAccessor(Unknown Source) at java.lang.reflect.Field.get(Unknown Source) at org.knime.core.data.DataType.getUtilityFor(DataType.java:599) at org.knime.core.data.DataType.addDataValueInterfaces(DataType.java:268) at org.knime.core.data.DataType.(DataType.java:744) at org.knime.core.data.DataType.getType(DataType.java:510) at org.knime.chem.types.MolCell.(MolCell.java:85) at org.knime.chem.types.MolCellFactory.(MolCellFactory.java:110) at com.pibr.node.preprocessing.washing.WashNodeModel.createColumnRearranger(WashNodeModel.java:160) at com.pibr.node.preprocessing.washing.WashNodeModel.execute(WashNodeModel.java:130) at org.knime.core.node.NodeModel.execute(NodeModel.java:668) at org.knime.core.node.NodeModel.executeModel(NodeModel.java:524) at org.knime.core.node.Node.execute(Node.java:873) at org.knime.core.node.workflow.SingleNodeContainer.performExecuteNode(SingleNodeContainer.java:840) at org.knime.core.node.exec.LocalNodeExecutionJob.mainExecute(LocalNodeExecutionJob.java:100) at org.knime.core.node.workflow.NodeExecutionJob.run(NodeExecutionJob.java:166) at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source) at java.util.concurrent.FutureTask$Sync.innerRun(Unknown Source) at java.util.concurrent.FutureTask.run(Unknown Source) at org.knime.core.util.ThreadPool$MyFuture.run(ThreadPool.java:124) at org.knime.core.util.ThreadPool$Worker.run(ThreadPool.java:239) Caused by: java.lang.NullPointerException at org.knime.chem.types.MoleculeUtilityFactory.(MoleculeUtilityFactory.java:118) at org.knime.chem.types.MolValue$MolUtilityFactory.(MolValue.java:82) at org.knime.chem.types.MolValue.(MolValue.java:69) ... 25 more